:One of New England's largest collections of original manuscripts, books, periodicals, and surname folders, local history collection, genealogy databases, Massachusetts vital records to 1910, federal and state censuses, 9,000 New England town and family histories.<ref name="DB59" /> <ref>[http://www.haverhillpl.org/about/local-history/#genealogy-resources Genealogy Resources] in ''Haverhill Public Library'' (accessed 14 November 2013).</ref><br><br>

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:One of New England's largest collections of original manuscripts, books, genealogical periodicals, and surname folders, local history collection, genealogy databases, Massachusetts vital records to 1910, federal and state censuses, 9,000 New England town and family histories.<ref name="DB59" /> <ref>[http://www.haverhillpl.org/about/local-history/#genealogy-resources Genealogy Resources] in ''Haverhill Public Library'' (accessed 14 November 2013).</ref><br><br>

The Pittsfield Center has CT, ME, MA, NH, RI, VT federal government agency and court documents. Their large genealogy microfilm collection has been transferred to the Berkshire Athenaeum listed below.[2]

Best overall collection for New England vital records and probates, and excellent collection for Canada, Great Britain, Ireland, and Europe. The manuscript collection for member only has diaries, letters, account books, business papers, church and town records, sermons, maps, wills, deeds, unpublished town and family genealogies, photos, and papers of the region's best genealogists since 1850.[3]

State

Government records, censuses, military records, land records, naturalizations, divorces, probate, name changes, and adoptions. Only 18 of the 328 volumes of the excellent Massachusetts Archives Collection, aka Felt Collection, of 1629-1799 history are indexed online. The Archives' online searchable collections include:

Regional

Best genealogical respository in western Massachusetts, including newspapers, books, and family histories. Now includes the former Pittsfield Federal Records Center's 60,000 microfilms of censuses, Revolutionary War pension and bounty land warrants, service records 1784-1901, Mexican War, Civil War, World War I, New England naturalizations, 1791-1966, passenger arrivals at Boston, New York, Philadelphia and east coast ports, Canadian border crossings, Indian enrollment cards, and Russian Consular records.[2][4][6]

One of New England's largest collections of original manuscripts, books, genealogical periodicals, and surname folders, local history collection, genealogy databases, Massachusetts vital records to 1910, federal and state censuses, 9,000 New England town and family histories.[4][7]

Manuscripts and rare books from many nations, but especially New England, Britain and Europe, historical archives of publishing history, political and missionary archives, paintings and artifacts. Largest volume of primary historical documents.[5]

Can help identify Massachusetts emigrants headed west using vital records, land records, and probate records from many New England towns. They also have French Canadian records, the Loiselle Index, New York passenger arrivals, computer databases, over 20,000 genealogy books, 6,000 microforms, 50,000 photos and 2.5 million manuscripts including diaries, and account books.[4][9]

Very large set of biographies, genealogies, and never-published histories, and church, business, fraternal, insurance, and manufacturing records. They also have the Massachusetts Archives Collection microfilms, Franklin, Hampshire, and Suffolk counties' probate records, especially Connecticut River Valley towns.[4]

Their collection includes a comprehensive name index of Massachusetts people, strong collection of family and town histories of New England, vital records, cemetery transcripts, genealogical periodicals, manuscripts, maps, and photos.[4][10]

The largest Family History Center in New England. Can order microfilms from the Family History Library in Salt Lake City. They have published town and county histories of New England, social histories, vital records, family histories, and major indexes.[4]